Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49XXJJ139633 · Truck-Tractor · TRUCK
Carriers run under3
11 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 6, 2024
TN
Last seenOct 1, 2025
LA
Inspected under 3 different carriers in 11 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD49XXJJ139633
Make
Kenworth
Model
T680
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 11, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
139633

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
KENWORTH

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T680

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 6, 2024 – Oct 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 1, 2025LAIII · Driver-only2786 LOGISTICS INC 3745379R811766/TX
Apr 10, 2025TXII · Walk-around2BEST FREIGHT TRUCKING LLC 3583804R7583448/TX
Jan 27, 2025UTII · Walk-around13OOSBEST FREIGHT TRUCKING LLC 3583804R758348/TX
Nov 6, 2024TNIII · Driver-only0WAHDAT TRANSPORT LLC 3118782R537339/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
786 LOGISTICS INC3745379Oct 1, 2025Oct 1, 20251TX
BEST FREIGHT TRUCKING LLC3583804Jan 27, 2025Apr 10, 20252TX
WAHDAT TRANSPORT LLC3118782Nov 6, 2024Nov 6, 20241TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
R811766TX786 LOGISTICS INCOct 1, 2025Oct 1, 20251
R7583448TX1BEST FREIGHT TRUCKING LLCApr 10, 2025Apr 10, 20251
R758348TX1BEST FREIGHT TRUCKING LLCJan 27, 2025Jan 27, 20251
R537339TXWAHDAT TRANSPORT LLCNov 6, 2024Nov 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026